【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents.Genericspecification.Potentiometers.
【原文标准名称】:电子元器件质量评估协调体系.一般规范.电位计
【标准号】:NFC83-250-1982
【标准状态】:现行
【国别】:法国
【发布日期】:1982-03-01
【实施或试行日期】:1982-03-01
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Casetightness;Categoryloadability;Categorytemperature;Categorytemperaturerange;Changesoftemperature;Connections;Connectionsformeasurement;Damping;Definitions;Delivery;Designcertifications;Dimensions;Divisorratio;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Frequencies;Genericspecification;Graphicsymbols;Insulatingresistance;Insulationvoltage;Insulations;Linearity;Loadresistance;Marking;Measurement;Measuringtechniques;Measuringvoltage;Noisevoltage;Outputvoltage;Permanentshocking;Permanentvoltages;Potentiometers(resistors);Powerhandlingcapacity;Qualityassessment;Qualityassessmentsystems;Qualityassurance;Radialrunout;Ratedresistance;Ratedvoltage;Residualresistance;Resistancevalues;Resistivity;Resistors;Rotationaldirections;Rotationalnoise;Settingrange;Slidercurrent;Specification;Specification(approval);Standardcondition;Symbols;Temperaturecharacteristics;Temperaturecoefficients;Testing;Thermalstability;Torque;Torsionalstrength;Totaldrag;Trimmingpotentiometers;Types;Voltage
【摘要】:
【中国标准分类号】:L14
【国际标准分类号】:31_040_20
【页数】:93P.;A4
【正文语种】:其他


【英文标准名称】:Plastics-Determinationofresistancetoenvironmentalstresscracking(ESC)-Generalguidance
【原文标准名称】:塑料.测定耐环境应力破裂性(ESC).通用指南
【标准号】:BSENISO22088-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:弯曲试验;状态调节;定义;测定;环境应力破裂性;环境试验;环境应力开裂指数;材料试验;塑料;温湿度预调节;耐力;撕裂试验;应力;应力断裂;试验方法;测试方法;试样;试验;试验条件;热塑性聚合物;电压
【英文主题词】:Bendtesting;Conditioning;Definition;Definitions;Determination;Environmentalstresscracking;Environmentaltesting;ESC-index;Materialstesting;Plastics;Preconditioning;Resistance;Splittingtests;Stress;Stresscrackings;Testmethods;Testspecimens;Testing;Testingconditions;Thermoplasticpolymers;Voltage
【摘要】:1.1ThispartofISO22088providesinformationandgeneralguidancerelevanttotheselectionofthetestmethodtobeusedtodetermineenvironmentalstresscracking(ESC).1.2Part2describesamethodinwhichatestspecimenissubjectedtoaconstanttensileload,whileimmersedinastresscrackingagentataspecifiedtemperature.Thetimeand/orstressatwhichthespecimenbreaksisrecorded.1.3Part3describesamethodinwhichstripsofplasticaresubjectedtoafixedflexuralstrainandexposedtoastresscrackingagentforapredeterminedperiod.1.4Part4describesamethodinwhichaholeofspecifieddiameterisdrilledinaspecimenandanoversizedsteelballorpinisinsertedintotheholewhilethetestspecimenisbroughtintocontactwithastresscrackingagent.1.5Part5describesamethodinwhichaconstanttensiledeformationisappliedtoaspecimenwhichisimmersedinastresscrackingagentatatemperatureselectedfortesting.1.6Part6describesamethodinwhichaslowlyincreasingstrainisappliedtoaspecimenimmersedinastresscrackingagent.1.7Thesemethodsareapplicabletothermoplasticmaterialsonly.1.8Theseareessentiallyrankingtestsandarenotintendedtoprovidedatatobeusedfordesignorperformanceprediction.
【中国标准分类号】:G30
【国际标准分类号】:83_080_01
【页数】:18P.;A4
【正文语种】:英语